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                <h4 id="1、配置主机名："><a href="#1、配置主机名：" class="headerlink" title="1、配置主机名："></a>1、配置主机名：</h4><p>[root@mxg-master1 ~]# <code>hostnamectl set-hostname mxg-master1 &amp;&amp; bash</code></p>
<h4 id="2、关闭防火墙"><a href="#2、关闭防火墙" class="headerlink" title="2、关闭防火墙"></a>2、关闭防火墙</h4><p>[root@mxg-master1 ~]# <code>systemctl stop firewalld &amp;&amp; systemctl disable firewalld</code></p>
<h4 id="3、关闭selinux"><a href="#3、关闭selinux" class="headerlink" title="3、关闭selinux"></a>3、关闭selinux</h4><p>[root@mxg-master1 ~]# <code>setenforce 0</code><br>[root@mxg-master1 ~]# <code>sed -i &#39;s/SELINUX=enforcing/SELINUX=disabled/g&#39; </code>&#x2F;etc&#x2F;selinux&#x2F;config<br>注意：修改selinux配置文件之后，重启机器，selinux才能永久生效</p>
<p>[root@mxg-master1 ~]# getenforce<br>显示Disabled表示selinux关闭成功</p>
<h4 id="4、配置时间同步"><a href="#4、配置时间同步" class="headerlink" title="4、配置时间同步"></a>4、配置时间同步</h4><p>[root@mxg-master1 ~]# yum install -y ntp ntpdate<br>[root@mxg-master1 ~]# ntpdate cn.pool.ntp.org<br>#编写计划任务</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># crontab -e </span>
* */1 * * * /usr/sbin/ntpdate cn.pool.ntp.org<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>

<p>重启crond服务使配置生效：<br>[root@mxg-master1 ~]# systemctl restart crond</p>
<h4 id="5、安装基础软件包"><a href="#5、安装基础软件包" class="headerlink" title="5、安装基础软件包"></a>5、安装基础软件包</h4><pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># yum install -y  wget net-tools nfs-utils lrzsz gcc gcc-c++ make cmake libxml2-devel openssl-devel curl curl-devel unzip sudo ntp libaio-devel wget vim ncurses-devel autoconf automake zlib-devel python-devel epel-release openssh-server socat ipvsadm conntrack </span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>

<h4 id="6、安装docker-ce"><a href="#6、安装docker-ce" class="headerlink" title="6、安装docker-ce"></a>6、安装docker-ce</h4><h5 id="6-1-安装docker依赖包"><a href="#6-1-安装docker依赖包" class="headerlink" title="6.1 安装docker依赖包"></a>6.1 安装docker依赖包</h5><p>[root@mxg-master1 ~]# yum install -y yum-utils device-mapper-persistent-data lvm2</p>
<h5 id="6-2-配置docker-ce国内yum源（阿里云）"><a href="#6-2-配置docker-ce国内yum源（阿里云）" class="headerlink" title="6.2 配置docker-ce国内yum源（阿里云）"></a>6.2 配置docker-ce国内yum源（阿里云）</h5><p>[root@mxg-master1 ~]# yum-config-manager –add-repo <a target="_blank" rel="noopener" href="http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo">http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo</a></p>
<h5 id="6-3-安装docker-ce"><a href="#6-3-安装docker-ce" class="headerlink" title="6.3 安装docker-ce"></a>6.3 安装docker-ce</h5><p>[root@mxg-master1 ~]# yum install docker-ce -y</p>
<h5 id="6-4-启动docker服务"><a href="#6-4-启动docker服务" class="headerlink" title="6.4 启动docker服务"></a>6.4 启动docker服务</h5><p>[root@mxg-master1 ~]# systemctl start docker &amp;&amp; systemctl enable docker<br>[root@mxg-master1 ~]# systemctl status docker</p>
<p><img src="https://gitee.com/miaohsukang/myblog/raw/master/img/image-20221029171525797.png" alt="image-20221029171525797"></p>
<h5 id="6-5-查看docker版本信息"><a href="#6-5-查看docker版本信息" class="headerlink" title="6.5 查看docker版本信息"></a>6.5 查看docker版本信息</h5><pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># docker version</span>
Client: Docker Engine - Community
 Version:           <span class="token number">20.10</span>.21
 API version:       <span class="token number">1.41</span>
 Go version:        go1.18.7
 Git commit:        baeda1f
 Built:             Tue Oct <span class="token number">25</span> <span class="token number">18</span>:04:24 <span class="token number">2022</span>
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      <span class="token boolean">true</span>

Server: Docker Engine - Community
 Engine:
  Version:          <span class="token number">20.10</span>.21
  API version:      <span class="token number">1.41</span> <span class="token punctuation">(</span>minimum version <span class="token number">1.12</span><span class="token punctuation">)</span>
  Go version:       go1.18.7
  Git commit:       <span class="token number">3056208</span>
  Built:            Tue Oct <span class="token number">25</span> <span class="token number">18</span>:02:38 <span class="token number">2022</span>
  OS/Arch:          linux/amd64
  Experimental:     <span class="token boolean">false</span>
 containerd:
  Version:          <span class="token number">1.6</span>.9
  GitCommit:        1c90a442489720eec95342e1789ee8a5e1b9536f
 runc:
  Version:          <span class="token number">1.1</span>.4
  GitCommit:        v1.1.4-0-g5fd4c4d
 docker-init:
  Version:          <span class="token number">0.19</span>.0
  GitCommit:        de40ad0<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>

<h4 id="7、开启包转发功能和修改内核参数"><a href="#7、开启包转发功能和修改内核参数" class="headerlink" title="7、开启包转发功能和修改内核参数"></a>7、开启包转发功能和修改内核参数</h4><p>内核参数修改：br_netfilter模块用于将桥接流量转发至iptables链，br_netfilter内核参数需要开启转发。</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># modprobe br_netfilter</span>
<span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># cat > /etc/sysctl.d/docker.conf &lt;&lt;EOF</span>
net.bridge.bridge-nf-call-ip6tables <span class="token operator">=</span> <span class="token number">1</span>
net.bridge.bridge-nf-call-iptables <span class="token operator">=</span> <span class="token number">1</span>
net.ipv4.ip_forward <span class="token operator">=</span> <span class="token number">1</span>
EOF<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>

<p>使参数生效<br>[root@mxg-master1 ~]# sysctl -p &#x2F;etc&#x2F;sysctl.d&#x2F;docker.conf</p>
<p>重启后模块失效，下面是开机自动加载模块的脚本</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token comment"># 在/etc/新建rc.sysinit 文件</span>
<span class="token function">cat</span> /etc/rc.sysinit
<span class="token comment">#!/bin/bash</span>
<span class="token keyword">for</span> <span class="token for-or-select variable">file</span> <span class="token keyword">in</span> /etc/sysconfig/modules/*.modules <span class="token punctuation">;</span> <span class="token keyword">do</span>
<span class="token punctuation">[</span> <span class="token parameter variable">-x</span> <span class="token variable">$file</span> <span class="token punctuation">]</span> <span class="token operator">&amp;&amp;</span> <span class="token variable">$file</span>
<span class="token keyword">done</span>

<span class="token comment"># 在/etc/sysconfig/modules/目录下新建文件如下</span>
<span class="token function">cat</span> /etc/sysconfig/modules/br_netfilter.modules
modprobe br_netfilter

<span class="token comment"># 增加权限</span>
<span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># chmod 755 /etc/sysconfig/modules/br_netfilter.modules</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>

<p>注：<br>Docker安装后出现：WARNING: bridge-nf-call-iptables is disabled 的解决办法：</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash">net.bridge.bridge-nf-call-ip6tables <span class="token operator">=</span> <span class="token number">1</span>
net.bridge.bridge-nf-call-iptables <span class="token operator">=</span> <span class="token number">1</span>
net.ipv4.ip_forward <span class="token operator">=</span> <span class="token number">1</span>：<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span></span></code></pre>

<p>将Linux系统作为路由或者VPN服务就必须要开启IP转发功能。当linux主机有多个网卡时一个网卡收到的信息是否能够传递给其他的网卡 ，如果设置成1 的话 可以进行数据包转发，可以实现VxLAN 等功能。不开启会导致docker部署应用无法访问。</p>
<p>重启docker</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># systemctl restart docker  </span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>

<h4 id="8、配置docker镜像加速器"><a href="#8、配置docker镜像加速器" class="headerlink" title="8、配置docker镜像加速器"></a>8、配置docker镜像加速器</h4><p>登陆阿里云镜像仓库</p>
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token comment"># 修改/etc/docker/daemon.json，变成如下</span>
<span class="token punctuation">&#123;</span>
 <span class="token string">"registry-mirrors"</span>:<span class="token punctuation">[</span><span class="token string">"https://y8y6vosv.mirror.aliyuncs.com"</span>,<span class="token string">"https://registry.docker-cn.com"</span>,<span class="token string">"https://docker.mirrors.ustc.edu.cn"</span>,<span class="token string">"https://dockerhub.azk8s.cn"</span>,<span class="token string">"http://hub-mirror.c.163.com"</span><span class="token punctuation">]</span>
<span class="token punctuation">&#125;</span>

<span class="token comment"># 让配置文件生效</span>
systemctl daemon-reload
systemctl restart <span class="token function">docker</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>

<h4 id="9、docker的基本用法"><a href="#9、docker的基本用法" class="headerlink" title="9、docker的基本用法"></a>9、docker的基本用法</h4><h5 id="9-1-镜像相关操作"><a href="#9-1-镜像相关操作" class="headerlink" title="9.1 镜像相关操作"></a>9.1 镜像相关操作</h5><pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token comment"># 从dockerhub查找镜像</span>
<span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># docker search centos</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>

<p>解释说明：<br>NAME: 镜像仓库源的名称<br>DESCRIPTION: 镜像的描述<br>OFFICIAL: 是否 docker 官方发布<br>STARS: 类似 Github 里面的 star，表示点赞、喜欢的意思。<br>AUTOMATED: 自动构建。</p>
<h5 id="9-2下载镜像"><a href="#9-2下载镜像" class="headerlink" title="9.2下载镜像"></a>9.2下载镜像</h5><p>[root@mxg-master1 ~]# docker pull centos</p>
<h5 id="9-3-查看本地镜像"><a href="#9-3-查看本地镜像" class="headerlink" title="9.3 查看本地镜像"></a>9.3 查看本地镜像</h5><p>[root@mxg-master1 ~]# docker images</p>
<h5 id="9-4-把镜像做成离线压缩包"><a href="#9-4-把镜像做成离线压缩包" class="headerlink" title="9.4 把镜像做成离线压缩包"></a>9.4 把镜像做成离线压缩包</h5><p>[root@mxg-master1 ~]# docker save -o centos.tar.gz centos</p>
<h5 id="9-5-解压离线镜像包"><a href="#9-5-解压离线镜像包" class="headerlink" title="9.5 解压离线镜像包"></a>9.5 解压离线镜像包</h5><p>[root@mxg-master1 ~]# docker load -i centos.tar.gz </p>
<h5 id="9-6-删除镜像"><a href="#9-6-删除镜像" class="headerlink" title="9.6 删除镜像"></a>9.6 删除镜像</h5><p>[root@mxg-master1 ~]# docker rmi -f centos:latest</p>
<h4 id="10、容器相关操作"><a href="#10、容器相关操作" class="headerlink" title="10、容器相关操作"></a>10、容器相关操作</h4><h5 id="10-1-以交互式方式启动并进入容器"><a href="#10-1-以交互式方式启动并进入容器" class="headerlink" title="10.1 以交互式方式启动并进入容器"></a>10.1 以交互式方式启动并进入容器</h5><pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># docker run --name=hello -it centos /bin/bash</span>
<span class="token punctuation">[</span>root@09c4933b5cd7 /<span class="token punctuation">]</span><span class="token comment">#</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>

<p>输入exit，退出容器，退出之后容器也会停止，不会再前台运行</p>
<p>参数说明：</p>
<pre class="line-numbers language-txt" data-language="txt"><code class="language-txt">docker run 运行并创建容器
--name  容器的名字
-i  交互式
-t  分配伪终端
centos：启动docker需要的镜像
/bin/bash：说明你的shell类型为bash，bash shell是最常用的一种shell, 是大多数Linux发行版默认的shell。 此外还有C shell等其它shell<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>

<h5 id="10-2-以守护进程方式启动容器"><a href="#10-2-以守护进程方式启动容器" class="headerlink" title="10.2  以守护进程方式启动容器"></a>10.2  以守护进程方式启动容器</h5><pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># docker run --name=hello1 -td centos </span>
<span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># docker ps |grep hello1</span>
1a2b73ba0ac2   centos            <span class="token string">"/bin/bash"</span>             hello1

<span class="token comment"># -d 在后台运行docker</span>
<span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># docker exec -it hello1 /bin/bash</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>

<h5 id="10-3-查看正在运行的容器"><a href="#10-3-查看正在运行的容器" class="headerlink" title="10.3 查看正在运行的容器"></a>10.3 查看正在运行的容器</h5><pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token comment">#查看所有容器，包括运行和退出的容器</span>
<span class="token punctuation">[</span>root@mxg-master1 ~<span class="token punctuation">]</span><span class="token comment"># docker ps -a  </span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>

<h5 id="10-4-停止和启动、进入容器"><a href="#10-4-停止和启动、进入容器" class="headerlink" title="10.4 停止和启动、进入容器"></a>10.4 停止和启动、进入容器</h5><pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token function">docker</span> stop hello1
<span class="token function">docker</span> start hello1
<span class="token function">docker</span> <span class="token builtin class-name">exec</span> <span class="token parameter variable">-it</span> hello1 /bin/bash<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span></span></code></pre>
<h5 id="10-5-删除容器"><a href="#10-5-删除容器" class="headerlink" title="10.5 删除容器"></a>10.5 删除容器</h5><p>[root@mxg-master1 ~]# docker rm -f hello1 # 删除容器</p>
<p>[root@mxg-master1 ~]# docker –help</p>

                
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                                index_content = data_content.indexOf(keyword);
                                if (index_title < 0 && index_content < 0) {
                                    isMatch = false;
                                } else {
                                    if (index_content < 0) {
                                        index_content = 0;
                                    }
                                    if (i === 0) {
                                        first_occur = index_content;
                                    }
                                }
                            });
                        }
                        // show search results
                        if (isMatch) {
                            str += "<li><a href='" + data_url + "' class='search-result-title'>" + data_title + "</a>";
                            var content = data.content.trim().replace(/<[^>]+>/g, "");
                            if (first_occur >= 0) {
                                // cut out 100 characters
                                var start = first_occur - 20;
                                var end = first_occur + 80;
                                if (start < 0) {
                                    start = 0;
                                }
                                if (start === 0) {
                                    end = 100;
                                }
                                if (end > content.length) {
                                    end = content.length;
                                }
                                var match_content = content.substr(start, end);
                                // highlight all keywords
                                keywords.forEach(function (keyword) {
                                    var regS = new RegExp(keyword, "gi");
                                    match_content = match_content.replace(regS, "<em class=\"search-keyword\">" + keyword + "</em>");
                                });

                                str += "<p class=\"search-result\">" + match_content + "...</p>"
                            }
                            str += "</li>";
                        }
                    });
                    str += "</ul>";
                    $resultContent.innerHTML = str;
                });
            }
        });
    };

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});
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